Abstract
Being a physical object, any signal exists in three-dimensional space and time. If the space is defined by the Cartesian coordinates x,y,z, and the time variable is t, then such primary signal can be described by a function of these four variables with a limited domain of definition:
where X,Y,Z is the size of the spatial (supposedly, rectangular) domain of definition of the signal, T is the duration of the signal.
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© 1999 Springer-Verlag Berlin Heidelberg
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Smirnov, A. (1999). Analog, Discrete and Digital Signals. In: Processing of Multidimensional Signals. Digital Signal Processing. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03855-0_2
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DOI: https://doi.org/10.1007/978-3-662-03855-0_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-08478-2
Online ISBN: 978-3-662-03855-0
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